The rock wool board is an inorganic fiber board which is made of basalt as a main raw material and melted at a high temperature. Because of its good fireproofing, heat preservation, sound absorption and noise reduction, and environmental protection, the rock wool board is made of basalt and is made of high temperature melted inorganic fiber board. The products are widely used in petrochemical, textile metallurgy, electric power transportation, construction agriculture and other fields because of their good fireproof, heat preservation, sound absorption and noise reduction, and environmental protection. In particular, the large number of applications in construction in recent years have provided strong guarantee and support for building more green buildings in China.
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Fire protection: The surface material and insulation material of the color composite sandwich panel are non-combustible materials, which can fully meet the requirements of fire protection regulations.
Durability: Various studies have shown that it has been widely used in foreign countries for more than 40 years. The color steel plate treated by special coating has a shelf life of 10-15 years, and then sprays anticorrosive paint every 10 years. The life of the plate can reach more than 35 years.
Aesthetic: The clear lines of the profiled steel plate have as many as dozens of colors, which can meet the needs of any style building and achieve satisfactory results.
High strength: It is made of high-strength steel plate (tensile strength 5600KG/CM) plus the most advanced design and roll forming, with excellent structural characteristics.
Insulation: The commonly used insulation materials for this composite board are: rock wool, glass fiber cotton, polyethylene, polyurethane, etc., with low thermal conductivity and good thermal insulation effect.
Rock wool board (Shi Da Building Series) technical parameters: 
The structure of rock wool board mainly consists of: bonding layer, insulation layer, surface layer, veneer layer and accessories.
The bonding layer is attributed to the building. It is between the bottom layer and the surface layer. The upper and lower layers are firmly bonded together by a cementitious material. The main source of the filler is inorganic matter.
Insulation layer is used to avoid and reduce the heat loss of the steam turbine to the environment. The insulation material layer laid on the exterior and exterior of steam turbines and pipelines is mainly composed of rock wool fiber and a certain amount of organic matter, moisture, and binder.
The finish layer should be made of a lightweight functional coating such as veneer mortar, embellished mortar or water-based exterior wall paint with excellent breathability, so that the rock wool board maintains its light characteristics and increases its aesthetics. 
The accessories mainly use various types of coatings. On the one hand, the color of the surface of the rock wool board is increased, so that it can be applied to any environment and the paint can play a role of flame retardancy and heat preservation to a certain extent.
Precautions:
1. Pay attention to rain, not rainy.
2. For the cold preservation, it is necessary to add a moisture-proof layer. Under the condition of extremely low temperature, the resin should be insulated with rock wool without resin. The moisture-proof layer must also be fireproof.
3. When the temperature exceeds a certain temperature, for example: 200 °C, the insulation must be added with appropriate external protection, so that the thickness and bulk density of the rock wool board will not be changed.
4. For the large-diameter and flat-wall equipment used for rock wool finished products insulation, when surpassing 200 °C, be sure to remember the rock wool board manufacturer's å®å˜±: add insulation nails, (around 400mm spacing) external protection should be close.
5. Equipment, insulation nails and pipes to be insulated are suitable for corrosion protection and can receive appropriate coatings. In addition, there should be no leaks. This can achieve better results.
6. If the rock wool board finished product is subject to mechanical wear in the case of outdoor heat insulation, it should be metal or plastic foreskin. Then pay attention to the joints, seal the joints, add glue seal when needed, and the stack of the wrap layer is not less than 100mm.
7. When the insulation object is placed at 90 degrees and has a certain height 
0 1, the insulation layer of the rock wool board must have a positioning pin or support ring, the spacing must not be greater than 3 meters, in order to prevent the thermal insulation material from sliding down when there is vibration.
8. In order to achieve the minimum goal of heat loss, the joints of rock wool board and felt must be butt jointed. If there are multiple layers of insulation, the cross joints need to be interwoven to avoid the formation of a thermal bridge. .
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